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Finding the Fourth Proportional to 236,078.60, 325,776.28 and 134,090.60

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Solution

The fourth proportional to 236,078.60, 325,776.28 and 134,090.60 is: 185,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,078.60 : 325,776.28 = 134,090.60 : x
  2. Step 2: Convert to fraction form
    236,078.60/325,776.28 = 134,090.60/x
  3. Step 3: Cross multiply
    236,078.60x = 325,776.28 × 134,090.60
  4. Step 4: Simplify right side
    236,078.60x = 43,683,536,850.97
  5. Step 5: Solve for x
    x = 43,683,536,850.97/236,078.60
  6. Step 6: Final answer
    x = 185,038.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.